Tag: VMQ

Hello First a small introduction. I am Marco Cancillo and have been working at Microsoft since 2013 as a Sr. Support Engineer in the western Europe CTS Network team.Within my work I have seen challenges on how to use set-netadaptervmq and achieve an optimal configuration. set-netadaptervmqcmdlet sets the virtual machine queue (VMQ) properties of the… Read more

There have been several reports of networking and stability issues on Windows Server 2012 and Windows Server 2012 R2 when deployed on hosts equipped with Emulex NICs. These issues arise when VMQ is enabled. The typical symptoms include the loss of network connectivity on one or more virtual machines or an inability to shut down… Read more

In my last posts about VMQ (virtual machine queues), VMQ Deep Dive, 1 of 3, I tried to give readers a thorough understanding on the technology and why it was needed. Unfortunately, I still feel like there’s a piece missing around troubleshooting suspected VMQ issues. Therefore, in this blog post I’d like to address these… Read more

Introduction At this point I’m hoping everyone has had the opportunity to read my two previous blogs on VMQ, VMQ Deep Dive 1 and VMQ Deep Dive 2, and are more knowledgeable about the offload and when to use it. In this last post of this series, I want to go into on how to… Read more

Introduction In my last blog post of this series, ‘VMQ Deep Dive, 1 of 3,’ I went into detail on why we implemented VMQ and how to view the VMQ settings on the adapter to verify that it was configured properly. In this blog post I am going to explain Static v Dynamic VMQ and… Read more

Virtual Machine Queues (VMQ) is an incredibly powerful performance technology introduced in Windows Server 2012. A concern we’ve noticed as Windows Server 2012 is increasingly deployed in datacenter environments is misconceptions about VMQ, and even “tribal knowledge” that disabling VMQ solves networking issues. With a set of three blog posts on VMQ, we are going… Read more

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